Mabris
thegentlemenThis record tracks a ransomware attack claimed by the thegentlemen group against Mabris. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.
Window Zero
EXPOSURE GAPWindow Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.
Attack Summary
mabris.fr) zoominfo.com/c/mabris/513443412MABRIS is a French family-owned industrial contractor based in Saint-Pierre-la-Cour (Mayenne), founded in the 1980s and registered as an SAS in 1999, with a second workshop in Airvault under the OPTEOR banner since 2006. It provides end-to-end services — boilerwork (chaudronnerie), industrial piping, metalwork, and industrial mechanics/maintenance — split ~60% maintenance / 40% design, with an in-house design office using AutoCAD, SolidWorks, and 3D point-cloud scanning. Working B2B-only across 18 departments in western France (zero export), it serves chemical, food, and energy industry clients, and partners with neighboring firm AROM for tungsten-carbide hardfacing (whose facility it acquired in 2022 for €45,000). Led by president Jacques Belaud since 2011, it employs ~26 people and holds MASE safety certification (renewed November 2025). Financially it staged a strong turnaround: revenue grew from €6.37M (2021) to a record €7.97M (2024)
Leak Screenshots
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